Finding the Fourth Proportional to 2,072,780.84, 3,110,074.78 and 725,909.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,780.84 : 3,110,074.78 = 725,909.60 : x
2. Step 2: Convert to fraction form
   2,072,780.84/3,110,074.78 = 725,909.60/x
3. Step 3: Cross multiply
   2,072,780.84x = 3,110,074.78 × 725,909.60
4. Step 4: Simplify right side
   2,072,780.84x = 2,257,633,139,519.89
5. Step 5: Solve for x
   x = 2,257,633,139,519.89/2,072,780.84
6. Step 6: Final answer
   x = 1,089,180.82